/*
 * FreeRTOS V202212.00
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * https://www.FreeRTOS.org
 * https://github.com/FreeRTOS
 *
 */

/*
 * Creates all the demo application tasks then starts the scheduler.  In
 * addition to the standard demo application tasks main() creates the
 * HTTPServer task, and a "Check" task.  The Check task periodically inspects
 * all the other tasks in the system to see if any errors have been reported.
 * The error status is then displayed on the served WEB page.
 */

/* Tern includes. */
#include <ae.h>
#include <embedded.h>

/* FreeRTOS.org includes. */
#include <FreeRTOS.h>
#include <task.h>

/* Demo application includes. */
#include "HTTPTask.h"
#include "integer.h"
#include "PollQ.h"
#include "semtest.h"
#include "dynamic.h"
#include "BlockQ.h"
#include "death.h"
#include "serial.h"
#include "comtest.h"

/* How often should the "check" task execute? */
#define mainCHECK_DELAY               ( 3000 / portTICK_PERIOD_MS )

/* Priorities allocated to the various tasks. */
#define mainQUEUE_POLL_PRIORITY       ( tskIDLE_PRIORITY + 2 )
#define mainCHECK_TASK_PRIORITY       ( tskIDLE_PRIORITY + 4 )
#define mainSEM_TEST_PRIORITY         ( tskIDLE_PRIORITY + 1 )
#define mainBLOCK_Q_PRIORITY          ( tskIDLE_PRIORITY + 2 )
#define mainHTTP_TASK_PRIORITY        ( tskIDLE_PRIORITY + 3 )
#define mainSUICIDE_TASKS_PRIORITY    ( tskIDLE_PRIORITY + 1 )
#define mainCOM_TEST_PRIORITY         ( tskIDLE_PRIORITY + 2 )

/* Used to indicate the error status.  A value of 0 means that an error has not
 * been detected in any task.  A non zero value indicates which group of demo
 * tasks has reported an error.  See prvCheckTask() for bit definitions. */
unsigned short usCheckStatus = 0;

/*-----------------------------------------------------------*/

/*
 * Setup any hardware required by the demo - other than the RTOS tick which
 * is configured when the scheduler is started.
 */
static void prvSetupHardware( void );

/*
 * Periodically inspect all the other tasks, updating usCheckStatus should an
 * error be discovered in any task.
 */
static void prvCheckTask( void * pvParameters );
/*-----------------------------------------------------------*/

void main( void )
{
    prvSetupHardware();

    /* Start the HTTP server task. */
    xTaskCreate( vHTTPTask, "WizNet", configMINIMAL_STACK_SIZE, NULL, mainHTTP_TASK_PRIORITY, NULL );

    /* Start the demo/test application tasks.  See the demo application
     * section of the FreeRTOS.org WEB site for more information. */
    vStartIntegerMathTasks( tskIDLE_PRIORITY );
    vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
    vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
    vStartDynamicPriorityTasks();
    vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
    vStartComTestTasks( mainCOM_TEST_PRIORITY, serCOM2, ser57600 );

    /* Start the task that checks the other demo tasks for errors. */
    xTaskCreate( prvCheckTask, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );

    /* The suicide tasks must be created last as they monitor the number of
     * tasks in the system to ensure there are no more or fewer than expected
     * compared to the number that were executing when the task started. */
    vCreateSuicidalTasks( mainSUICIDE_TASKS_PRIORITY );

    /* Finally start the scheduler. */
    vTaskStartScheduler();

    /* Should not get here! */
    for( ; ; )
    {
    }
}
/*-----------------------------------------------------------*/

static void prvSetupHardware( void )
{
    ae_init();
}
/*-----------------------------------------------------------*/

static void prvCheckTask( void * pvParameters )
{
    ( void ) pvParameters;

    /* Check all the demo tasks to ensure that they are all still running, and
     * that none of them have detected	an error. */
    for( ; ; )
    {
        /* Block until it is time to check again. */
        vTaskDelay( mainCHECK_DELAY );

        if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x01;
        }

        if( xArePollingQueuesStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x02;
        }

        if( xAreSemaphoreTasksStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x04;
        }

        if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x08;
        }

        if( xAreBlockingQueuesStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x10;
        }

        if( xIsCreateTaskStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x20;
        }

        if( xAreComTestTasksStillRunning() != pdTRUE )
        {
            usCheckStatus |= 0x40;
        }
    }
}
/*-----------------------------------------------------------*/

/* This is included to prevent link errors - allowing the 'full' version of
 * the comtest tasks to be used.  It can be ignored. */
void vPrintDisplayMessage( const char * const * ppcMessageToSend )
{
    ( void ) ppcMessageToSend;
}
